20010656640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{801709}}^1$

素因数の和:801744

約数の個数: 128

約数和(自身を含む): 68690512800

約数和(自身を除く): 48679856160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 801709, 1603418, 2405127, 3206836, 4008545, 4810254, 6413672, 8017090, 9620508, 10422217, 12025635, 12827344, 16034180, 19241016, 20844434, 24051270, 25654688, 31266651, 32068360, 38482032, 41688868, 48102540, 51309376, 52111085, 62533302, 64136720, 76964064, 83377736, 96205080, 102618752, 104222170, 125066604, 128273440, 153928128, 156333255, 166755472, 192410160, 208444340, 250133208, 256546880, 307856256, 312666510, 333510944, 384820320, 416888680, 500266416, 513093760, 625333020, 667021888, 769640640, 833777360, 1000532832, 1250666040, 1334043776, 1539281280, 1667554720, 2001065664, 2501332080, 3335109440, 4002131328, 5002664160, 6670218880, 10005328320, 20010656640]

約数ペア:

[(1, 20010656640), (2, 10005328320), (3, 6670218880), (4, 5002664160), (5, 4002131328), (6, 3335109440), (8, 2501332080), (10, 2001065664), (12, 1667554720), (13, 1539281280), (15, 1334043776), (16, 1250666040), (20, 1000532832), (24, 833777360), (26, 769640640), (30, 667021888), (32, 625333020), (39, 513093760), (40, 500266416), (48, 416888680), (52, 384820320), (60, 333510944), (64, 312666510), (65, 307856256), (78, 256546880), (80, 250133208), (96, 208444340), (104, 192410160), (120, 166755472), (128, 156333255), (130, 153928128), (156, 128273440), (160, 125066604), (192, 104222170), (195, 102618752), (208, 96205080), (240, 83377736), (260, 76964064), (312, 64136720), (320, 62533302), (384, 52111085), (390, 51309376), (416, 48102540), (480, 41688868), (520, 38482032), (624, 32068360), (640, 31266651), (780, 25654688), (832, 24051270), (960, 20844434), (1040, 19241016), (1248, 16034180), (1560, 12827344), (1664, 12025635), (1920, 10422217), (2080, 9620508), (2496, 8017090), (3120, 6413672), (4160, 4810254), (4992, 4008545), (6240, 3206836), (8320, 2405127), (12480, 1603418), (24960, 801709)]